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Re: CONC - Stripping of Deck Forms

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I think common practice is to post-shore after 14 days not 7 days under
the condition that you review the 7-day break to assure that the
concrete has reached its design strength.

Tom Chiu, SE
Thomas Engineering

PRSE(--nospam--at) wrote:
> I have a project in Santa Monica, which is 3 stories of wood over a
> structural concrete deck over parking.  The deck is specified as 4000 psi
> concrete.  The contractor wants to know if he can strip the forms after 7
> days, assuming the concrete has reached full design strength.  I am hesitant
> to let him do this because I am afraid the concrete will not be quite cured
> enough and the early removal of the forms may result in some deflection/creep
> problems.  As an alternate he has offered to reshore at 7 days with posts

> spaced further apart than the original shores.  His goal, of course, is to
> save money by returning the rented shores as soon as possible.
> Any thoughts and/or experience with this issue would be much appreciated as
> they are scheduled to pour on Friday and are looking for an answer from me
> shortly.
> Thanks in advance for your advice / opinions.
> Bruce Resnick